Finding the Fourth Proportional to 206,399.36, 309,627.72 and 73,247.99
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Solution
The fourth proportional to 206,399.36, 309,627.72 and 73,247.99 is: 109,882.16
Step by Step Solution
- Step 1: Write the proportion equation
206,399.36 : 309,627.72 = 73,247.99 : x - Step 2: Convert to fraction form
206,399.36/309,627.72 = 73,247.99/x - Step 3: Cross multiply
206,399.36x = 309,627.72 × 73,247.99 - Step 4: Simplify right side
206,399.36x = 22,679,606,590.14 - Step 5: Solve for x
x = 22,679,606,590.14/206,399.36 - Step 6: Final answer
x = 109,882.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.